Armstrong is a city in the North Okanagan of the Canadian province of British Columbia, between Vernon and Enderby. It overlooks the Spallumcheen Valley, which forms a broad pass between the Okanagan Valley to the south and the Shuswap Country to the north, and is about 480 km from each of Vancouver, B.C. and Spokane, Washington. The City of Armstrong celebrated its centennial in 2013.